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Small performance improvement in sqlite3BtreeTransferRow().

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FossilOrigin-Name: dab959ea3edf99788bfd76352cd46a3e56876b0e7d7008c6927aa14534853c50
This commit is contained in:
drh
2022-11-21 13:35:00 +00:00
parent a303392a2c
commit d01dee5e6a
3 changed files with 11 additions and 11 deletions
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6
src/btree.c
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@@ -9314,7 +9314,6 @@ end_insert:
** SQLITE_OK is returned if successful, or an SQLite error code otherwise.
*/
int sqlite3BtreeTransferRow(BtCursor *pDest, BtCursor *pSrc, i64 iKey){
int rc = SQLITE_OK;
BtShared *pBt = pDest->pBt;
u8 *aOut = pBt->pTmpSpace; /* Pointer to next output buffer */
const u8 *aIn; /* Pointer to next input buffer */
@@ -9337,7 +9336,9 @@ int sqlite3BtreeTransferRow(BtCursor *pDest, BtCursor *pSrc, i64 iKey){
if( nIn==nRem && nIn<pDest->pPage->maxLocal ){
memcpy(aOut, aIn, nIn);
pBt->nPreformatSize = nIn + (aOut - pBt->pTmpSpace);
return SQLITE_OK;
}else{
int rc = SQLITE_OK;
Pager *pSrcPager = pSrc->pBt->pPager;
u8 *pPgnoOut = 0;
Pgno ovflIn = 0;
@@ -9405,9 +9406,8 @@ int sqlite3BtreeTransferRow(BtCursor *pDest, BtCursor *pSrc, i64 iKey){
releasePage(pPageOut);
sqlite3PagerUnref(pPageIn);
return rc;
}
return rc;
}
/*